From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 6 Nov 2018 17:47:21 +0000 (-0800)
Subject: Note that PT_GETREGS supplies SSTATUS for FreeBSD/riscv.
X-Git-Tag: users/ARM/embedded-binutils-master-2018q4~238
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bcecc11da243fe5c333f9d2d914663d09f4b868d;p=platform%2Fupstream%2Fbinutils.git

Note that PT_GETREGS supplies SSTATUS for FreeBSD/riscv.

This permits reading the value of the SSTATUS CSR returned by ptrace()
for live FreeBSD/riscv processes.

	* riscv-fbsd-nat.c (getregs_supplies): Return true for
	RISCV_CSR_SSTATUS_REGNUM.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4755ba9..68ecef7 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-11-06  John Baldwin  <jhb@FreeBSD.org>
+
+	* riscv-fbsd-nat.c (getregs_supplies): Return true for
+	RISCV_CSR_SSTATUS_REGNUM.
+
 2018-11-04  Philippe Waroquiers  <philippe.waroquiers@skynet.be>
 
 	* source.c (open_source_file): Fix leak by transferring the
diff --git a/gdb/riscv-fbsd-nat.c b/gdb/riscv-fbsd-nat.c
index ad4ea1e..e66f491 100644
--- a/gdb/riscv-fbsd-nat.c
+++ b/gdb/riscv-fbsd-nat.c
@@ -42,7 +42,8 @@ static riscv_fbsd_nat_target the_riscv_fbsd_nat_target;
 static bool
 getregs_supplies (struct gdbarch *gdbarch, int regnum)
 {
-  return (regnum >= RISCV_RA_REGNUM && regnum <= RISCV_PC_REGNUM);
+  return ((regnum >= RISCV_RA_REGNUM && regnum <= RISCV_PC_REGNUM)
+	  || regnum == RISCV_CSR_SSTATUS_REGNUM);
 }
 
 /* Determine if PT_GETFPREGS fetches REGNUM.  */